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-rw-r--r--nGenEx/Bmp.cpp526
1 files changed, 275 insertions, 251 deletions
diff --git a/nGenEx/Bmp.cpp b/nGenEx/Bmp.cpp
index e92cc22..600b230 100644
--- a/nGenEx/Bmp.cpp
+++ b/nGenEx/Bmp.cpp
@@ -1,251 +1,275 @@
-/* Project nGenEx
- Destroyer Studios LLC
- Copyright © 1997-2004. All Rights Reserved.
-
- SUBSYSTEM: nGenEx.lib
- FILE: Bmp.cpp
- AUTHOR: John DiCamillo
-
-
- OVERVIEW
- ========
- BMP image file loader
-*/
-
-
-#include "MemDebug.h"
-#include "BMP.h"
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-
-// +--------------------------------------------------------------------+
-
-BmpImage::BmpImage()
-: width(0), height(0), image(0)
-{ }
-
-BmpImage::BmpImage(short w, short h, unsigned long* hibits)
-{
- ZeroMemory(this, sizeof(BmpImage));
-
- width = w;
- height = h;
-
- file_hdr.type = 19778; // 'BM'
- file_hdr.size = sizeof(BmpFileHeader) +
- sizeof(BmpInfoHeader) +
- w * h * 3;
-
- file_hdr.offset = sizeof(BmpFileHeader) +
- sizeof(BmpInfoHeader);
-
- info_hdr.hdr_size = sizeof(BmpInfoHeader);
- info_hdr.width = width;
- info_hdr.height = height;
- info_hdr.planes = 1;
- info_hdr.bit_count = 24;
-
- int pixels = width * height;
-
- image = new(__FILE__,__LINE__) DWORD [pixels];
-
- if (image && pixels) {
- for (int i = 0; i < pixels; i++)
- image[i] = hibits[i];
- }
-}
-
-BmpImage::~BmpImage()
-{
- delete [] image;
-}
-
-// +--------------------------------------------------------------------+
-
-int BmpImage::Load(char *filename)
-{
- int status = BMP_INVALID;
- FILE* f;
-
- fopen_s(&f, filename,"rb");
- if (f == NULL)
- return BMP_NOFILE;
-
- fread(&file_hdr.type, sizeof(WORD), 1, f);
- fread(&file_hdr.size, sizeof(DWORD), 1, f);
- fread(&file_hdr.rsvd1, sizeof(WORD), 1, f);
- fread(&file_hdr.rsvd2, sizeof(WORD), 1, f);
- fread(&file_hdr.offset, sizeof(DWORD), 1, f);
- fread(&info_hdr, BMP_INFO_HDR_SIZE, 1, f);
-
- if (info_hdr.width > 32768 || info_hdr.height > 32768 ||
- (info_hdr.width&3) || (info_hdr.height&3) ||
- info_hdr.compression != 0) {
- fclose(f);
- return BMP_INVALID;
- }
-
- width = (WORD) info_hdr.width;
- height = (WORD) info_hdr.height;
-
- // read 256 color BMP file
- if (info_hdr.bit_count == 8) {
- fread(palette, sizeof(palette), 1, f);
-
- int pixels = width*height;
-
- delete [] image;
- image = new(__FILE__,__LINE__) DWORD[pixels];
- if (image == NULL)
- return BMP_NOMEM;
-
- for (int row = height-1; row >= 0; row--) {
- for (int col = 0; col < width; col++) {
- BYTE index = fgetc(f);
- image[row*width+col] = palette[index];
- }
- }
-
- status = BMP_OK;
- }
-
- // read 24-bit (true COLOR) BMP file
- else if (info_hdr.bit_count == 24) {
- int pixels = width*height;
-
- delete [] image;
- image = new(__FILE__,__LINE__) DWORD[pixels];
- if (image == NULL)
- return BMP_NOMEM;
-
- for (int row = height-1; row >= 0; row--) {
- for (int col = 0; col < width; col++) {
- DWORD blue = fgetc(f);
- DWORD green = fgetc(f);
- DWORD red = fgetc(f);
-
- image[row*width+col] = 0xff000000 | (red << 16) | (green << 8) | blue;
- }
- }
-
- status = BMP_OK;
- }
-
- fclose(f);
- return status;
-}
-
-// +--------------------------------------------------------------------+
-
-int BmpImage::LoadBuffer(unsigned char* buf, int len)
-{
- int status = BMP_INVALID;
- BYTE* fp;
-
- if (buf == NULL)
- return BMP_NOFILE;
-
- fp = buf;
- memcpy(&info_hdr, buf + BMP_FILE_HDR_SIZE, BMP_INFO_HDR_SIZE);
- fp += BMP_FILE_HDR_SIZE + BMP_INFO_HDR_SIZE;
-
- if (info_hdr.width > 32768 || info_hdr.height > 32768 ||
- (info_hdr.width&3) || (info_hdr.height&3) ||
- info_hdr.compression != 0) {
- return BMP_INVALID;
- }
-
- width = (WORD) info_hdr.width;
- height = (WORD) info_hdr.height;
-
- // read 256 color BMP file
- if (info_hdr.bit_count == 8) {
- memcpy(palette, fp, sizeof(palette));
- fp += sizeof(palette);
-
- int pixels = width*height;
-
- delete [] image;
- image = new(__FILE__,__LINE__) DWORD[pixels];
- if (image == NULL)
- return BMP_NOMEM;
-
- for (int row = height-1; row >= 0; row--) {
- for (int col = 0; col < width; col++) {
- BYTE index = *fp++;
- image[row*width+col] = palette[index];
- }
- }
-
- status = BMP_OK;
- }
-
- // read 24-bit (true COLOR) BMP file
- else if (info_hdr.bit_count == 24) {
- int pixels = width*height;
-
- delete [] image;
- image = new(__FILE__,__LINE__) DWORD[pixels];
- if (image == NULL)
- return BMP_NOMEM;
-
- for (int row = height-1; row >= 0; row--) {
- for (int col = 0; col < width; col++) {
- DWORD blue = *fp++;
- DWORD green = *fp++;
- DWORD red = *fp++;
-
- image[row*width+col] = 0xff000000 | (red << 16) | (green << 8) | blue;
- }
- }
-
- status = BMP_OK;
- }
-
- return status;
-}
-
-// +--------------------------------------------------------------------+
-
-int BmpImage::Save(char *filename)
-{
- int status = BMP_INVALID;
- FILE* f;
-
- fopen_s(&f, filename,"wb");
- if (f == NULL)
- return BMP_NOFILE;
-
- info_hdr.bit_count = 24;
- info_hdr.compression = 0;
-
- fwrite(&file_hdr.type, sizeof(WORD), 1, f);
- fwrite(&file_hdr.size, sizeof(DWORD), 1, f);
- fwrite(&file_hdr.rsvd1, sizeof(WORD), 1, f);
- fwrite(&file_hdr.rsvd2, sizeof(WORD), 1, f);
- fwrite(&file_hdr.offset, sizeof(DWORD), 1, f);
- fwrite(&info_hdr, BMP_INFO_HDR_SIZE, 1, f);
-
- // write 24-bit (TRUE COLOR) BMP file
- for (int row = height-1; row >= 0; row--) {
- for (int col = 0; col < width; col++) {
- DWORD pixel = image[row*width+col];
-
- BYTE blue = (BYTE) ((pixel & 0x000000ff) >> 0);
- BYTE green = (BYTE) ((pixel & 0x0000ff00) >> 8);
- BYTE red = (BYTE) ((pixel & 0x00ff0000) >> 16);
-
- fwrite(&blue, 1, 1, f);
- fwrite(&green, 1, 1, f);
- fwrite(&red, 1, 1, f);
- }
- }
-
- status = BMP_OK;
-
- fclose(f);
- return status;
-}
-
+/* Starshatter OpenSource Distribution
+ Copyright (c) 1997-2004, Destroyer Studios LLC.
+ All Rights Reserved.
+
+ Redistribution and use in source and binary forms, with or without
+ modification, are permitted provided that the following conditions are met:
+
+ * Redistributions of source code must retain the above copyright notice,
+ this list of conditions and the following disclaimer.
+ * Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+ * Neither the name "Destroyer Studios" nor the names of its contributors
+ may be used to endorse or promote products derived from this software
+ without specific prior written permission.
+
+ THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ POSSIBILITY OF SUCH DAMAGE.
+
+ SUBSYSTEM: nGenEx.lib
+ FILE: Bmp.cpp
+ AUTHOR: John DiCamillo
+
+
+ OVERVIEW
+ ========
+ BMP image file loader
+*/
+
+
+#include "MemDebug.h"
+#include "BMP.h"
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+// +--------------------------------------------------------------------+
+
+BmpImage::BmpImage()
+ : width(0), height(0), image(0)
+{ }
+
+BmpImage::BmpImage(short w, short h, unsigned long* hibits)
+{
+ ZeroMemory(this, sizeof(BmpImage));
+
+ width = w;
+ height = h;
+
+ file_hdr.type = 19778; // 'BM'
+ file_hdr.size = sizeof(BmpFileHeader) +
+ sizeof(BmpInfoHeader) +
+ w * h * 3;
+
+ file_hdr.offset = sizeof(BmpFileHeader) +
+ sizeof(BmpInfoHeader);
+
+ info_hdr.hdr_size = sizeof(BmpInfoHeader);
+ info_hdr.width = width;
+ info_hdr.height = height;
+ info_hdr.planes = 1;
+ info_hdr.bit_count = 24;
+
+ int pixels = width * height;
+
+ image = new(__FILE__,__LINE__) DWORD [pixels];
+
+ if (image && pixels) {
+ for (int i = 0; i < pixels; i++)
+ image[i] = hibits[i];
+ }
+}
+
+BmpImage::~BmpImage()
+{
+ delete [] image;
+}
+
+// +--------------------------------------------------------------------+
+
+int BmpImage::Load(char *filename)
+{
+ int status = BMP_INVALID;
+ FILE* f;
+
+ fopen_s(&f, filename,"rb");
+ if (f == NULL)
+ return BMP_NOFILE;
+
+ fread(&file_hdr.type, sizeof(WORD), 1, f);
+ fread(&file_hdr.size, sizeof(DWORD), 1, f);
+ fread(&file_hdr.rsvd1, sizeof(WORD), 1, f);
+ fread(&file_hdr.rsvd2, sizeof(WORD), 1, f);
+ fread(&file_hdr.offset, sizeof(DWORD), 1, f);
+ fread(&info_hdr, BMP_INFO_HDR_SIZE, 1, f);
+
+ if (info_hdr.width > 32768 || info_hdr.height > 32768 ||
+ (info_hdr.width&3) || (info_hdr.height&3) ||
+ info_hdr.compression != 0) {
+ fclose(f);
+ return BMP_INVALID;
+ }
+
+ width = (WORD) info_hdr.width;
+ height = (WORD) info_hdr.height;
+
+ // read 256 color BMP file
+ if (info_hdr.bit_count == 8) {
+ fread(palette, sizeof(palette), 1, f);
+
+ int pixels = width*height;
+
+ delete [] image;
+ image = new(__FILE__,__LINE__) DWORD[pixels];
+ if (image == NULL)
+ return BMP_NOMEM;
+
+ for (int row = height-1; row >= 0; row--) {
+ for (int col = 0; col < width; col++) {
+ BYTE index = fgetc(f);
+ image[row*width+col] = palette[index];
+ }
+ }
+
+ status = BMP_OK;
+ }
+
+ // read 24-bit (true COLOR) BMP file
+ else if (info_hdr.bit_count == 24) {
+ int pixels = width*height;
+
+ delete [] image;
+ image = new(__FILE__,__LINE__) DWORD[pixels];
+ if (image == NULL)
+ return BMP_NOMEM;
+
+ for (int row = height-1; row >= 0; row--) {
+ for (int col = 0; col < width; col++) {
+ DWORD blue = fgetc(f);
+ DWORD green = fgetc(f);
+ DWORD red = fgetc(f);
+
+ image[row*width+col] = 0xff000000 | (red << 16) | (green << 8) | blue;
+ }
+ }
+
+ status = BMP_OK;
+ }
+
+ fclose(f);
+ return status;
+}
+
+// +--------------------------------------------------------------------+
+
+int BmpImage::LoadBuffer(unsigned char* buf, int len)
+{
+ int status = BMP_INVALID;
+ BYTE* fp;
+
+ if (buf == NULL)
+ return BMP_NOFILE;
+
+ fp = buf;
+ memcpy(&info_hdr, buf + BMP_FILE_HDR_SIZE, BMP_INFO_HDR_SIZE);
+ fp += BMP_FILE_HDR_SIZE + BMP_INFO_HDR_SIZE;
+
+ if (info_hdr.width > 32768 || info_hdr.height > 32768 ||
+ (info_hdr.width&3) || (info_hdr.height&3) ||
+ info_hdr.compression != 0) {
+ return BMP_INVALID;
+ }
+
+ width = (WORD) info_hdr.width;
+ height = (WORD) info_hdr.height;
+
+ // read 256 color BMP file
+ if (info_hdr.bit_count == 8) {
+ memcpy(palette, fp, sizeof(palette));
+ fp += sizeof(palette);
+
+ int pixels = width*height;
+
+ delete [] image;
+ image = new(__FILE__,__LINE__) DWORD[pixels];
+ if (image == NULL)
+ return BMP_NOMEM;
+
+ for (int row = height-1; row >= 0; row--) {
+ for (int col = 0; col < width; col++) {
+ BYTE index = *fp++;
+ image[row*width+col] = palette[index];
+ }
+ }
+
+ status = BMP_OK;
+ }
+
+ // read 24-bit (true COLOR) BMP file
+ else if (info_hdr.bit_count == 24) {
+ int pixels = width*height;
+
+ delete [] image;
+ image = new(__FILE__,__LINE__) DWORD[pixels];
+ if (image == NULL)
+ return BMP_NOMEM;
+
+ for (int row = height-1; row >= 0; row--) {
+ for (int col = 0; col < width; col++) {
+ DWORD blue = *fp++;
+ DWORD green = *fp++;
+ DWORD red = *fp++;
+
+ image[row*width+col] = 0xff000000 | (red << 16) | (green << 8) | blue;
+ }
+ }
+
+ status = BMP_OK;
+ }
+
+ return status;
+}
+
+// +--------------------------------------------------------------------+
+
+int BmpImage::Save(char *filename)
+{
+ int status = BMP_INVALID;
+ FILE* f;
+
+ fopen_s(&f, filename,"wb");
+ if (f == NULL)
+ return BMP_NOFILE;
+
+ info_hdr.bit_count = 24;
+ info_hdr.compression = 0;
+
+ fwrite(&file_hdr.type, sizeof(WORD), 1, f);
+ fwrite(&file_hdr.size, sizeof(DWORD), 1, f);
+ fwrite(&file_hdr.rsvd1, sizeof(WORD), 1, f);
+ fwrite(&file_hdr.rsvd2, sizeof(WORD), 1, f);
+ fwrite(&file_hdr.offset, sizeof(DWORD), 1, f);
+ fwrite(&info_hdr, BMP_INFO_HDR_SIZE, 1, f);
+
+ // write 24-bit (TRUE COLOR) BMP file
+ for (int row = height-1; row >= 0; row--) {
+ for (int col = 0; col < width; col++) {
+ DWORD pixel = image[row*width+col];
+
+ BYTE blue = (BYTE) ((pixel & 0x000000ff) >> 0);
+ BYTE green = (BYTE) ((pixel & 0x0000ff00) >> 8);
+ BYTE red = (BYTE) ((pixel & 0x00ff0000) >> 16);
+
+ fwrite(&blue, 1, 1, f);
+ fwrite(&green, 1, 1, f);
+ fwrite(&red, 1, 1, f);
+ }
+ }
+
+ status = BMP_OK;
+
+ fclose(f);
+ return status;
+}
+
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